/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMModel/RigVMClient.h
bool UpdateFunctionReferences ( const [FRigVMGraphFunctionHeader](API\Plugins\RigVM\RigVMCore\FRigVMGraphFunctionHeader) & InHeader, bool bUpdateDependencies, bool bUpdateExternalVariables )